What powers cslcharter.org?
Last seen Jun 2026 · 23 technologies across 12 categories
Analytics
Cloudflare Browser Insights
since Aug 2025
CDN
Cloudflare
since Aug 2025
Databases
Editors
JavaScript frameworks
Backbone.js
since Aug 2025
Stimulus
since Jun 2026
JavaScript libraries
Htmx
since Feb 2026
libphonenumber
since Aug 2025
Lightbox
since Aug 2025
Selectize
since Aug 2025
Underscore.js
since Aug 2025
Miscellaneous
HTTP/3
since Aug 2025
Open Graph
since Sep 2022
Programming languages
Java
since Dec 2023
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Aug 2025
Video players
VideoJS
since Jun 2026
Webmail
Apple iCloud Mail
since Sep 2024
Google Workspace
since Sep 2022
Audience
- 86% desktop
- 14% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.42 / 10 · ranked #32,610,034 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 125 ms |
| CLS | 0.8 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 3.4 MB · 79 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Amazon CloudFront Sep 2025
- dropped Amazon Web Services Sep 2025
- dropped Google Analytics Sep 2025
- dropped Google Font API Sep 2025
- dropped Google Hosted Libraries Sep 2025
- dropped HeadJS Sep 2025
- dropped IIS Sep 2025
- dropped jQuery Mobile Sep 2025
- dropped Microsoft ASP.NET Sep 2025
- dropped Mustache Sep 2025
- dropped Pendo Sep 2025
- dropped SWFObject Sep 2025
- dropped Windows Server Sep 2025
- dropped New Relic Aug 2025